MajorCritical vulnerability

CVE-2026-103398 (CVSS 8.6)

NVD · officialPublished Sep 30, 2026Risk 37/100

OpenSave through 2.4.0 fails to properly validate save paths supplied by paired peers in the manifest request handler. Attackers can specify arbitrary directories outside configured save locations to read and write files through manifest and sync routes.

Technical details

CVSS

8.6

AV:NetworkAC:LowPR:LowUI:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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